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daylily 'Killer' | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

daylily 'Killer'

Hemerocallis 'Killer'

★ RHS AGM

Genus: Hemerocallis
Family: Asphodelaceae

About this plant

An upright, clump-forming perennial to 70cm high, with semi-evergreen, strap-shaped foliage. Large, triangular flowers to 15cm across are borne in summer on branching stems, with deep violet purple, recurved petals with lightly frilly edges, a black eye zone and lime green throats

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Semi Evergreen

Growing Conditions

Sunlight

Full Sun

Soil

ClayChalkLoamSandy

AcidAlkaline

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Neutral

Moisture

Poorly Drained

Aspect

West FacingEast Facing

Exposure

ExposedSheltered

Care Guide

Cultivation

Grow in fertile, well drained soil, in areas that will not dry out in summer. Prefers full sun, flowering is likely to be reduced in shadier situations. Water freely from spring to summer. See Hemerocallis cultivation for details.

Pruning

Cut back flower stems after flowering has finished. Remove dead foliage as required

Propagation

Propagate by division in early spring or autumn, at least six weeks before the first frost. Divide every 2-3 years to maintain vigour. Propagate from seed in containers in a cold frame in autumn or spring; cultivars will not come true from seed

Pests

May be susceptible to hemerocallis gall midge, aphids, glasshouse red spider mite and thrips. Slugs and snails may damage young leaves

Diseases

May be susceptible to rust diseases. In climates with alternating winter frosts and thaws, bacterial leaf and stem rot (spring sickness) may be a problem; in areas with high temperatures and high humidity, crown rot may cause damage

Garden Uses

Uses

Cottage InformalGround CoverPatio Container

Planting Places

OutdoorConservatory

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Clump Forming

Time to Full Height

Two To Five Years